<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title></title>
    <style media="screen">
    .box {
        width:200px; 
        height:200px; 
        background:#CCC; 
        box-sizing:border-box; 
        padding:10px; 
        border:10px solid black;
      }
    </style>
  </head>
  <body>
    <div class="box">
      dfsdfdsf
    </div>
  </body>
</html>
